Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Gearshift Rail Bushing
Special Tool(s)
Universal Puller Set
303-DS005 (D80L-100-A) or
equivalent
Installer, Shift Rail Bushing
308-244 (T96P-7025-F)
Slide Hammer
100-001 (T50T-100-A)
Disassembly and Assembly
1. Using the special tools, r ...
Autolamps
WARNING: In severe weather conditions, it may be necessary to
switch your headlamps on manually.
Note: If the vehicle is equipped with autolamps, it will have the
windshield wiper rainlamp feature. When the windshield wipers are
turned to low- or high-speed wi ...
Disassembly
Main Control Valve Body - Disassembled View
1. Remove the torque converter clutch (TCC) solenoid and the shift solenoid.
1. Remove the bolt.
2. Remove the shift solenoid.
3. Remove the TCC solenoid.
2. Remove the two reinforcement plate ...
